Sylvic acid
[化] 松香酸
🧩 词语组成解析
🗣️ 情景例句
And don't forget your camera and film, Richard.
别忘了你的照相机和底片， Richard。
The belly has no ears.
食欲不长耳。
Although negotiators are optimistic, the details are complex enough that they may be hard-pressed to get a deal at all.
然谈判代表持乐观态度，但协议细节如此复杂，他们所面临的困难很可能使他们无法取得一致。